std::uncaught_exception, std::uncaught_exceptions
From cppreference.com
| Defined in header <exception>
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| (1) | ||
| bool uncaught_exception() throw(); |
(until C++11) | |
| bool uncaught_exception() noexcept; |
(since C++11) (deprecated in C++17) (removed in C++20) |
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int uncaught_exceptions() noexcept; |
(2) | (since C++17) (constexpr since C++26) |
1) Detects if the current thread has a live exception object, that is, an exception has been thrown or rethrown and not yet entered a matching catch clause, std::terminate or